Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Sine Cosine and TAngent of Obtuse Angles

Author:Jamie Moodie
Topic:Angles, Cosine, Sine
In this activity, you will use GeoGebra to drag point A to create each listed primary angle B. Then, use the side lengths and your calculator to determine the value of each primarytrigonometric ratio in the chart.

New Resources

  • Random Polar Curve (1)
  • Limaçons
  • bewijs stelling van Pythagoras
  • Rolling a Square
  • רישום חופשי

Discover Resources

  • Integer Addition
  • Volume Game
  • Alex's GeoGebraBook
  • 長方形的特性
  • Parallelogram Theorem 4
  • Richard Anuszkiewicz with animation - Mara

Discover Topics

  • Geometric Mean
  • Geometric Transformations
  • Equations
  • Normal Distribution
  • Right Triangles
AboutPartnersHelp Centre
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®